\(\sqrt{\left(1-\sqrt{50}\right)^2}=\sqrt{50}-1\approx6,07>6\)
\(\Rightarrow\sqrt{\left(1-\sqrt{50}\right)^2}>6\)
Ta có:\(\sqrt{\left(1-\sqrt{50}\right)^2}=|1-\sqrt{50}|=\sqrt{50}-1>\sqrt{49}-1=7-1=6\)
\(\Rightarrow\sqrt{\left(1-\sqrt{50}\right)^2>6}\)